Which formula represents a polar molecule?
(1) H2 (3) CO2
(2) H2O (4) CCl4
1 answer:
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The answer is (a) 30g. Zinc = 30. 1 mole = 30 x 1 = 30g
Deposition. Particles settle to the bottom of still water after being eroded.
M = m/L
moles of CaO = 2.75g / molar mass
2.75g/ 56.08g = 0.049moles CaO
155mL / 1000 = 0.155 L
M= 0.049moles/0.155L
M=0.316
Answer:
D. Using a battery
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